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AR15.COM
11/4/2010 5:29:52 PM EDT
I bought my first AR15 finally ... and I'm already wanting to switch things up.

16" .450 Bushmaster
Geisselle 2-Stage NM Trigger
VLTOR Carbine Stock
H2 Buffer / Carbine Buffer Tube
LaRue 9.0 Quad Rail

Gun came with 3 mags and 160 rounds of Hornady ammo. Bought it from a friend of mine.

So what do you guys think of the Mk12 BCM uppers? I'm thinking that with a JP brake would be ideal for 750 yards and in.
11/4/2010 5:48:57 PM EDT
[#1]
What is your intended use? Paper puncher, hunting, defensive carbine?
11/4/2010 6:19:00 PM EDT
[#2]
All of the above.

75 gr. TAP + 77 gr. SMK = Bueno?

I'm thinking of Form 1'ing the lower so I can keep it in the house with a 6.8 SPC PDW upper.
11/4/2010 6:59:27 PM EDT
[#3]
It will be hard to have one rifle that fits all those roles, at least for me.

A precision set up can pull double duty as a hunting rig but neither will be a ideal defensive/offevsive weapon.

If you want a SBR I would do a whole seprate gun altogether. It will make life easier.

You already have the 450 upper so you got something to hunt with. I would just look at a 16 midlength upper, get a decent magnified opitc in a larue mount as well as a aimpoint in a larue mount. It can pull double duty as a semi precision rig and home defense gun depending on what optic you had on it at the time.
11/4/2010 7:34:35 PM EDT
[#4]
That BCM Mk12 upper should be capable of everything you want. However, you'll at least want different optics for your intended uses. Precision rifle optic for long range and Aimpoint for HD. Put both in a Larue mounts and you can swap between them.



That JP is unnecessary, and I would not want to use it indoors if it's your HD gun. Also, everyone else on the firing line will hate you if you take it to a course. Plus, it will bump you into Open Division if you ever shoot a match. Check out the BattleComp if you want a brake for HD.

11/4/2010 8:58:04 PM EDT
[#5]
Quoted:
It will be hard to have one rifle that fits all those roles, at least for me.

A precision set up can pull double duty as a hunting rig but neither will be a ideal defensive/offevsive weapon.

If you want a SBR I would do a whole seprate gun altogether. It will make life easier.

You already have the 450 upper so you got something to hunt with. I would just look at a 16 midlength upper, get a decent magnified opitc in a larue mount as well as a aimpoint in a larue mount. It can pull double duty as a semi precision rig and home defense gun depending on what optic you had on it at the time.


I'm content hunting with a 75 grain .224" bullet. We shoot pigs in the head with a .204 Ruger all the time.

I have a separate lower I might SBR, not too sure at the moment as I'm still waiting on my Form 4 for a can.

I don't really want to keep the .450 upper, as it'd be great for hunting but the show stops at $30 / box ammo.

Ultimately I'm thinking a two upper setup would be best ... Mk12 with a Nightforce or Leupold FFP in millradian, and then an SBR upper for a PDW style gun. What is the benefit of running a separate SBR lower?
11/4/2010 9:00:48 PM EDT
[#6]
Quoted:
That BCM Mk12 upper should be capable of everything you want. However, you'll at least want different optics for your intended uses. Precision rifle optic for long range and Aimpoint for HD. Put both in a Larue mounts and you can swap between them.

That JP is unnecessary, and I would not want to use it indoors if it's your HD gun. Also, everyone else on the firing line will hate you if you take it to a course. Plus, it will bump you into Open Division if you ever shoot a match. Check out the BattleComp if you want a brake for HD.


The JP is for annoying people at the local indoor range.

I'm thinking an Aimpoint would be great for daytime hunting. I could use it on all sorts of setups, and that is in the cards.
11/5/2010 6:34:12 AM EDT
[#7]
Quoted:

I'm content hunting with a 75 grain .224" bullet. We shoot pigs in the head with a .204 Ruger all the time.

I have a separate lower I might SBR, not too sure at the moment as I'm still waiting on my Form 4 for a can.

I don't really want to keep the .450 upper, as it'd be great for hunting but the show stops at $30 / box ammo.

Ultimately I'm thinking a two upper setup would be best ... Mk12 with a Nightforce or Leupold FFP in millradian, and then an SBR upper for a PDW style gun. What is the benefit of running a separate SBR lower?



Holy cow.  You're jumping right in!
11/5/2010 6:57:05 AM EDT
[#8]
Quoted:
Quoted:
It will be hard to have one rifle that fits all those roles, at least for me.

A precision set up can pull double duty as a hunting rig but neither will be a ideal defensive/offevsive weapon.

If you want a SBR I would do a whole seprate gun altogether. It will make life easier.

You already have the 450 upper so you got something to hunt with. I would just look at a 16 midlength upper, get a decent magnified opitc in a larue mount as well as a aimpoint in a larue mount. It can pull double duty as a semi precision rig and home defense gun depending on what optic you had on it at the time.


I'm content hunting with a 75 grain .224" bullet. We shoot pigs in the head with a .204 Ruger all the time.

I have a separate lower I might SBR, not too sure at the moment as I'm still waiting on my Form 4 for a can.

I don't really want to keep the .450 upper, as it'd be great for hunting but the show stops at $30 / box ammo.

Ultimately I'm thinking a two upper setup would be best ... Mk12 with a Nightforce or Leupold FFP in millradian, and then an SBR upper for a PDW style gun. What is the benefit of running a separate SBR lower?


The benifit would be not having to worry about having your paper work with you and dragging around that class 3 item wherever you went. Lets say you get a last minute invite to go hunt or shoot out of state, you have to verify with the ATF that you will be leaving your home state with your lower. With a regular lower you can just pack up and leave.
11/5/2010 7:03:41 AM EDT
[#9]
And you can never have enough AR's. It won't be long and you'll be building them from spare parts.
11/5/2010 7:11:15 AM EDT
[#10]
Quoted:
Quoted:
That BCM Mk12 upper should be capable of everything you want. However, you'll at least want different optics for your intended uses. Precision rifle optic for long range and Aimpoint for HD. Put both in a Larue mounts and you can swap between them.

That JP is unnecessary, and I would not want to use it indoors if it's your HD gun. Also, everyone else on the firing line will hate you if you take it to a course. Plus, it will bump you into Open Division if you ever shoot a match. Check out the BattleComp if you want a brake for HD.


The JP is for annoying and unsafe people at the local indoor range.

I'm thinking an Aimpoint would be great for daytime hunting. I could use it on all sorts of setups, and that is in the cards.


 Fixed it for you, and I like what you're thinking.
11/5/2010 9:00:40 PM EDT
[#11]
Quoted:
The benifit would be not having to worry about having your paper work with you and dragging around that class 3 item wherever you went. Lets say you get a last minute invite to go hunt or shoot out of state, you have to verify with the ATF that you will be leaving your home state with your lower. With a regular lower you can just pack up and leave.


That's a valid benefit, but frankly the only other place I have in mind is Colorado, and I'll take my bolt rifle for that.
11/5/2010 9:03:40 PM EDT
[#12]
Quoted:
Quoted:
Quoted:
That BCM Mk12 upper should be capable of everything you want. However, you'll at least want different optics for your intended uses. Precision rifle optic for long range and Aimpoint for HD. Put both in a Larue mounts and you can swap between them.

That JP is unnecessary, and I would not want to use it indoors if it's your HD gun. Also, everyone else on the firing line will hate you if you take it to a course. Plus, it will bump you into Open Division if you ever shoot a match. Check out the BattleComp if you want a brake for HD.


The JP is for annoying and unsafe people at the local indoor range.

I'm thinking an Aimpoint would be great for daytime hunting. I could use it on all sorts of setups, and that is in the cards.


 Fixed it for you, and I like what you're thinking.


Tell me about it man ... I work in the gun business and deal with unsafe shooters ALOT more than I want to. The brake is my protest ... it's a quick change to go to a flash hider if I'm on the line with some buddies or in a training situation.
11/5/2010 9:07:49 PM EDT
[#13]
Quoted:
Quoted:

I'm content hunting with a 75 grain .224" bullet. We shoot pigs in the head with a .204 Ruger all the time.

I have a separate lower I might SBR, not too sure at the moment as I'm still waiting on my Form 4 for a can.

I don't really want to keep the .450 upper, as it'd be great for hunting but the show stops at $30 / box ammo.

Ultimately I'm thinking a two upper setup would be best ... Mk12 with a Nightforce or Leupold FFP in millradian, and then an SBR upper for a PDW style gun. What is the benefit of running a separate SBR lower?



Holy cow.  You're jumping right in!


Trying to brother!  ... I already got a Dillon 650 so feeding the monster is not an issue. Although I will be getting an RCBS Rockchucker for loading match ammo on.

I'm a big fan of good glass. I've used Nightforce, Schmidt & Bender, Premier, Leupold Mk4, Zeiss Diavari / Hensoldt, Swarovski, etc.

I'm not made of money by any means, but I'll save for quality.
11/6/2010 2:09:41 AM EDT
[#14]



Quoted:




I'm a big fan of good glass. I've used Nightforce, Schmidt & Bender, Premier, Leupold Mk4, Zeiss Diavari / Hensoldt, Swarovski, etc.



I'm not made of money by any means, but I'll save for quality.


This is the way to go.



 
11/6/2010 10:17:59 AM EDT
[#15]
Quoted:

Quoted:

I'm a big fan of good glass. I've used Nightforce, Schmidt & Bender, Premier, Leupold Mk4, Zeiss Diavari / Hensoldt, Swarovski, etc.

I'm not made of money by any means, but I'll save for quality.

This is the way to go.
 


Yes sir, I do agree 100% on that. I got tired of buying cheap junk a LONG time ago. It's never cheap in the long run.